Sleep and dreams Flashcards
What is the primary purpose of sleep?
To restore physical and mental health.
True or False: REM sleep is associated with dreaming.
True.
What are the stages of sleep classified into?
Non-REM (NREM) and REM sleep.
Fill in the blank: The cycle of sleep typically lasts about _____ minutes.
90.
What happens during NREM sleep?
The body repairs and grows tissue, builds bone and muscle, and strengthens the immune system.
Which stage of sleep is characterized by rapid eye movement?
REM sleep.
What is insomnia?
A sleep disorder characterized by difficulty falling asleep or staying asleep.
Multiple choice: Which hormone is primarily involved in regulating sleep?
Melatonin.
True or False: Sleep needs decrease with age.
True.
Fill in the blank: The _____ theory suggests that dreams have a physiological function.
Activation-synthesis.
What is a common cause of sleep apnea?
Obstruction of the airway during sleep.
What is the primary function of REM sleep?
To facilitate learning and memory consolidation.
Multiple choice: Which of the following is NOT a characteristic of REM sleep?
Decreased brain activity.
True or False: Nightmares occur during NREM sleep.
False.
What is the sleep cycle?
The progression through the various stages of sleep, including NREM and REM.
Fill in the blank: The _____ is the part of the brain that regulates the sleep-wake cycle.
Hypothalamus.
What does the term ‘circadian rhythm’ refer to?
The body’s internal clock that regulates the sleep-wake cycle over a 24-hour period.
What is narcolepsy?
A neurological disorder that affects the control of sleep and wakefulness.
Multiple choice: Which phase of sleep is most restorative?
Deep sleep (Stage 3 NREM).
True or False: Sleep deprivation can affect cognitive function.
True.
What is the function of sleep spindles?
They are thought to play a role in memory consolidation during sleep.
Fill in the blank: The _____ stage of sleep is characterized by light sleep and is the transition phase.
First
What psychological theory suggests that dreams are a reflection of our unconscious desires?
Freudian theory.
What role does REM sleep play in emotional regulation?
It helps process emotions and cope with stress.
